Cooked-Perfect meat thermometer changes colors to visibly show when beef is properly cooked and ready to eat;Ready to read other temperatures in seconds; know how meat is cooked inside before cutting and losing precious juices; no more guessing;Accurately shows beef temperature by color change; great for stovetop, oven, roasting, broiling, microwave cooking and barbecue grilling outdoors;Insert into beef for 3 seconds to reveal rare, medium or well done; perfect for cooking prime rib, roast beef, steaks, brisket, ground beef, and more;Easy to use; reusable, accurate and economical